Aberdeen climate change expert to speak at post Copenhagen conference
New multi-million marine lab, Oceanlab 2, opens
January 2010 - The University of Aberdeen’s Oceanlab is already leading groundbreaking studies into the world’s oceans as well as providing information on marine life in waters around Scotland. Now Oceanlab 2 — a brand new complex next door to the original Oceanlab at Newburgh — will enable scientists to do much more to further our understanding of the marine environment.
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MACAULAY LAND USE RESEARCH INSTITUTE
Scientists see if climate impacts on soil carbon emissions
Almost half a million pounds has been awarded to scientists to allow them to see if climate change could impact on the levels of carbon dioxide (CO2) released from Europe's soils.
The Natural Environment Research Council grant will enable Professor David Robinson and Professor Pete Smith from the Institute of Biological and Environmental Sciences at the University of Aberdeen, and Professor Pete Millard and Dr Andy Midwood of the Macaulay Land Use Research Institute, to test if soils are likely to release more CO2 if Europe's climate changes.
Increases in atmospheric CO2 are a main driver of climate change, and a potentially large source of CO2 is in the organic matter in soil. If the climate warms up or becomes wetter, this could encourage soil microbes to produce more CO2 into the atmosphere. The researchers will use a novel technique developed at the Macaulay Institute. This technique detects minute changes in the composition of soil CO2.
Professor Robinson said: "These small changes can indicate if the CO2 is being released from young organic matter – mainly dead plant remains – or from much older material: so-called 'historical' soil organic matter.
"If CO2 produced from the old organic matter outstrips that taken up by vegetation, it will contribute to the continuing CO2 increases in the atmosphere. We need to know the climatic conditions when this is likely to occur.
"Until our colleagues developed their new technique, it was impossible to measure that source of CO2 reliably. Now we can." Soil provides a vast reservoir into which CO2 taken up from the atmosphere by living plants is transferred when they die, and where it can be stored as organic matter for thousands of years.
But when soil is disturbed during vegetation burning or clearing, or if soil microbes respond to warmer climates, the release of CO2 from the large underground carbon stores can increase.
Professor Millard added: "We're delighted to join forces with the University of Aberdeen on this important research project. Many people know that CO2 is released from cars and factories, but emissions from soil are also an important factor contributing to climate change."
The research team will visit forest sites in continental Europe during the next two years, from Italy to Finland, to measure CO2 emissions across the widest range of climatic conditions. The potential impact of their results will be analysed back in Aberdeen using computer models that predict possible future climates.
As well as telling us more about how Europe's soils interact with climate, the project will provide information to guide Scottish and UK governments' and EU efforts to reduce carbon emissions.